# AWS Certificate Manager will discontinue email validation to prove domain validation for certificates

DevFeed: [AWS Certificate Manager will discontinue email validation to prove domain validation for certificates](<https://devfeed.tech/articles/aws-certificate-manager-will-discontinue-email-validation-to-prove-domain-validation-for-certificates-4676.md>)

Original publisher: [Read original article](<https://aws.amazon.com/blogs/security/aws-certificate-manager-will-discontinue-email-validation-to-prove-domain-validation-for-certificates/>)

Author: Adam Aboudi

Published: 2026-08-13T21:23:00Z

Content type: article

Language: en

Sources: [AWS Security Blog](<https://devfeed.tech/sources/aws-security-blog.md>)

Topics: [AWS Certificate Manager](<https://devfeed.tech/topics/aws-certificate-manager.md>), [Amazon Web Services](<https://devfeed.tech/topics/aws.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>)

Tags: [announcements](<https://devfeed.tech/tags/announcements.md>), [aws](<https://devfeed.tech/tags/aws.md>), [aws-certificate-manager](<https://devfeed.tech/tags/aws-certificate-manager.md>), [aws-management-console](<https://devfeed.tech/tags/aws-management-console.md>), [blog](<https://devfeed.tech/tags/blog.md>), [cli](<https://devfeed.tech/tags/cli.md>), [dns](<https://devfeed.tech/tags/dns.md>), [foundational-100](<https://devfeed.tech/tags/foundational-100.md>), [security-blog](<https://devfeed.tech/tags/security-blog.md>), [security-identity-compliance](<https://devfeed.tech/tags/security-identity-compliance.md>), [validation](<https://devfeed.tech/tags/validation.md>)

## AI overview

AWS Certificate Manager will discontinue support for email-validated public certificates by September 30, 2027. Customers using email validation must migrate to DNS validation, ahead of the CA/B Forum's March 15, 2028 deadline. The article explains the rationale, timeline, and how to identify affected certificates in the ACM console or AWS CLI.

## Source excerpt

Today, we're announcing that AWS Certificate Manager (ACM) will discontinue support for email-validated public certificates by September 30, 2027. If you use email validation for your ACM public certificates, you need to migrate to DNS validation before that date. This change aligns with the Certification Authority/Browser (CA/B) Forum's industry-wide deprecation of email-based domain validation and [...]